How far is Cahokia, IL from Lockport, IL?
The driving distance from Cahokia, IL to Lockport, IL is about 266.8 miles (429.4 km), with a travel time of about 04h 10m by car.
- The straight-line flight distance is about 237.1 miles (381.5 km).
- For a round trip, plan for roughly 08h 21m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 04h 10m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Cahokia and Lockport.
Turn-by-Turn Driving Directions
Step-by-step road directions between Cahokia and Lockport.
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1
Start on West 1st Street
29 m · 5 sec · West 1st Street
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2
Turn slight left onto Mississippi Avenue
3.1 mi · 5 min · Mississippi Avenue
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3
Keep slight right to continue on I 64 East, I 55 North, IL 3: Chicago, Indianapolis, Great River Road
2.1 mi · 3 min
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4
Keep slight left to continue on I 55 North: Chicago, Indianapolis
3128 ft · 54 sec
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5
Merge slight right
15.5 mi · 18 min
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6
Keep slight left to continue on I 55 North, I 270 West: Chicago, Springfield, Kansas City
107.9 mi · 1 hr 57 min
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7
Keep slight right to continue on I 55 North: Chicago
29.4 mi · 31 min
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8
Keep slight left to continue on I 55 North, I 74 West: Chicago, Peoria
93.9 mi · 1 hr 41 min
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9
Take the exit slight right toward I 80 East: Indiana
1.2 km · 1 min
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10
Merge slight left
5.1 mi · 6 min
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11
Take the exit slight right toward Center Street
1.3 km · 2 min
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12
Continue on South Center Street
1401 ft · 38 sec · South Center Street
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13
Continue on Hickory Street
1.2 km · 2 min · Hickory Street
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14
Turn right onto Bridge Street
106 m · 17 sec · Bridge Street
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15
Turn left onto Broadway Street
4.4 mi · 9 min · Broadway Street
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16
Turn right onto West 9th Street
1.6 km · 2 min · West 9th Street
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17
Arrive at your destination
0 m · 1 sec · West 9th Street
Car Route Details
A richer read on the saved driving route between Cahokia and Lockport.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 55 North
Keep slight left to continue on I 55 North, I 270 West: Chicago, Springfield, Kansas City
108 mi · 01h 57m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Cahokia and Mostly Sunny near Lockport.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Cahokia to Lockport?
The road trip is about 266.8 miles (429.4 km) and usually takes 04h 10m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Lincoln is a useful midpoint, sitting about 132.8 miles from Cahokia and 134 miles from Lockport.
How much longer is the road route than the straight-line distance?
The direct path is about 237.1 miles (381.5 km), while the road route adds roughly 29.7 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 8:38 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.52 one way or $71.05 round trip. Estimated CO2 is about 83.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Cahokia and Mostly Sunny near Lockport.
Stop Ideas Near Lincoln
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Route 66 Original Alignment- Driveable!
City of Lincoln
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lincoln.
Lincoln
Springfield station
Uptown Station
Peoria, Illinois
Flight Path Map
This map shows the direct air route between Cahokia and Lockport. Straight-line distance: 237.06 mi (381.51 km).
#1 Cahokia
Village in St.
| Population | 13,742 |
| Coordinates | 38.5708800, -90.1901100 |
| Altitude | 124 |
| Country | United States |
#2 Lockport
The most populous city in Will County, Illinois.
| Population | 59,877 |
| Coordinates | 41.5894800, -88.0578400 |
| Altitude | 181 |
| Country | United States |
End: West 9th Street (-88.057844, 41.589471)
Estimated Travel Time
Distance: 429 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 53m |
| 40 mph (64.37 km/h) | 06h 40m |
| 50 mph (80.47 km/h) | 05h 20m |
| 60 mph (96.56 km/h) | 04h 26m |
| 70 mph (112.65 km/h) | 03h 48m |
| 80 mph (129 km/h) | 03h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $35.52 | $71.05 |
| Mid-grade | $4.25 | $40.06 | $80.13 |
| Premium | $4.65 | $43.84 | $87.68 |
| Diesel | $5.30 | $49.96 | $99.93 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Illinois · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.